PROFIBUS DP and PROFINET Objectives and outline Lecture ...
PROFIBUS DP and PROFINET Objectives and outline Lecture ...
PROFIBUS DP and PROFINET Objectives and outline Lecture ...
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<strong>PROFIBUS</strong> <strong>DP</strong> extended functions<br />
<strong>DP</strong>‐V0<br />
• Cyclic communication MS (<strong>DP</strong>M1), acyclic communication MS<br />
(<strong>DP</strong>M2)<br />
<strong>DP</strong>‐V1<br />
• The same as <strong>DP</strong>‐V0<br />
• Acyclic communication MS (<strong>DP</strong>M1) –alarms <strong>and</strong> acknowledge<br />
• Extended acyclic communication MS (<strong>DP</strong>M2) –device<br />
parameters<br />
<strong>DP</strong>‐V2<br />
• The same as <strong>DP</strong>‐V1<br />
• Constant cycle time (TTR), time stamps, synchronisation<br />
• Communication slave‐to‐slave – publisher/subscriber<br />
Integrated interface<br />
• HW configuration<br />
• Device (PB address)<br />
• Data modules (addresses in I <strong>and</strong> Q areas)<br />
• Communication between CPU <strong>and</strong> <strong>DP</strong> master<br />
<strong>PROFIBUS</strong> <strong>DP</strong> <strong>and</strong> Simatic S7<br />
17.10.2012<br />
11
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